664104922 has 16 divisors (see below), whose sum is σ = 1075477032. Its totient is φ = 305740800.

The previous prime is 664104913. The next prime is 664104923. The reversal of 664104922 is 229401466.

It can be written as a sum of positive squares in 4 ways, for example, as 491996761 + 172108161 = 22181^2 + 13119^2 .

It is not an unprimeable number, because it can be changed into a prime (664104923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21423 + ... + 42274.

Almost surely, 2^664104922 is an apocalyptic number.

664104922 is a deficient number, since it is larger than the sum of its proper divisors (411372110).

664104922 is a wasteful number, since it uses less digits than its factorization.

664104922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64113.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 664104922 is about 25770.2332546681. The cubic root of 664104922 is about 872.4600833948.

The spelling of 664104922 in words is "six hundred sixty-four million, one hundred four thousand, nine hundred twenty-two".